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Formatting improvements in httpapis

This commit is contained in:
Kevin Froman 2020-08-26 08:25:43 +00:00
parent 3422ca43ff
commit 14f2d03ebf
14 changed files with 88 additions and 60 deletions
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4
src/httpapi/fdsafehandler.py
View File

@ -1,5 +1,7 @@
from gevent.pywsgi import WSGIServer, WSGIHandler
from gevent import Timeout
class FDSafeHandler(WSGIHandler):
'''Our WSGI handler. Doesn't do much non-default except timeouts'''
def handle(self):
@ -10,5 +12,5 @@ class FDSafeHandler(WSGIHandler):
except Timeout as ex:
if ex is self.timeout:
pass
else:
else:
raise

4
src/httpapi/insertblock.py
View File

@ -10,7 +10,7 @@ from flask import Blueprint, Response, request, g
if TYPE_CHECKING:
from deadsimplekv import DeadSimpleKV
import onionrblocks
from onionrcrypto import hashers
from onionrutils import bytesconverter
@ -78,7 +78,7 @@ def client_api_insert_block():
pass
try:
# The setting in the UI is for if forward secrecy is enabled, not disabled
# Setting in the mail UI is for if forward secrecy is *enabled*
disable_forward_secrecy = not insert_data['forward']
except KeyError:
disable_forward_secrecy = False

1
src/httpapi/miscpublicapi/announce.py
View File

@ -9,7 +9,6 @@ import logger
from etc import onionrvalues
from onionrutils import stringvalidators, bytesconverter
import filepaths
from communicator import OnionrCommunicatorDaemon
"""
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by

32
src/httpapi/miscpublicapi/endpoints.py
View File

@ -1,9 +1,13 @@
'''
Onionr - Private P2P Communication
"""Onionr - Private P2P Communication.
Misc public API endpoints too small to need their own file and that need access to the public api inst
'''
'''
Misc public API endpoints too small to need their own file
and that need access to the public api inst
"""
from flask import Response, Blueprint, request, send_from_directory, abort, g
from . import getblocks, upload, announce
from coredb import keydb
import config
"""
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
@ -16,11 +20,9 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
'''
from flask import Response, Blueprint, request, send_from_directory, abort, g
from . import getblocks, upload, announce
from coredb import keydb
import config
"""
class PublicEndpoints:
def __init__(self, public_api):
@ -39,7 +41,8 @@ class PublicEndpoints:
@public_endpoints_bp.route('/getblocklist')
def get_block_list():
'''Get a list of blocks, optionally filtered by epoch time stamp, excluding those hidden'''
"""Get a list of blocks, optionally filtered by epoch time stamp,
excluding those hidden"""
return getblocks.get_public_block_list(public_api, request)
@public_endpoints_bp.route('/getdata/<name>')
@ -68,14 +71,15 @@ class PublicEndpoints:
@public_endpoints_bp.route('/announce', methods=['post'])
def accept_announce():
'''Accept announcements with pow token to prevent spam'''
"""Accept announcements with pow token to prevent spam"""
g.shared_state = public_api._too_many
resp = announce.handle_announce(request)
return resp
@public_endpoints_bp.route('/upload', methods=['post'])
def upload_endpoint():
'''Accept file uploads. In the future this will be done more often than on creation
"""Accept file uploads.
In the future this will be done more often than on creation
to speed up block sync
'''
"""
return upload.accept_upload(request)

9
src/httpapi/miscpublicapi/getblocks.py
View File

@ -45,11 +45,14 @@ def get_block_data(publicAPI, data):
"""data is the block hash in hex"""
resp = ''
if stringvalidators.validate_hash(data):
if not config.get('general.hide_created_blocks', True) or data not in publicAPI.hideBlocks:
if not config.get('general.hide_created_blocks', True) \
or data not in publicAPI.hideBlocks:
if data in publicAPI._too_many.get(BlockList).get():
block = apiutils.GetBlockData().get_block_data(data, raw=True, decrypt=False)
block = apiutils.GetBlockData().get_block_data(
data, raw=True, decrypt=False)
try:
block = block.encode('utf-8') # Encode in case data is binary
# Encode in case data is binary
block = block.encode('utf-8')
except AttributeError:
if len(block) == 0:
abort(404)

3
src/httpapi/miscpublicapi/upload.py
View File

@ -5,7 +5,6 @@ Accept block uploads to the public API server
import sys
from gevent import spawn
from gevent import threading
from flask import Response
from flask import abort
from flask import g
@ -43,7 +42,7 @@ def accept_upload(request):
if g.too_many.get_by_string("DeadSimpleKV").get('onlinePeers'):
spawn(
localcommand.local_command,
f'/daemon-event/upload_event',
'/daemon-event/upload_event',
post=True,
is_json=True,
post_data={'block': b_hash}

37
src/httpapi/security/client.py
View File

@ -1,6 +1,7 @@
"""Onionr - Private P2P Communication.
Process incoming requests to the client api server to validate they are legitimate
Process incoming requests to the client api server to validate
that they are legitimate and not DNSR/XSRF or other local adversary
"""
import hmac
from flask import Blueprint, request, abort, g
@ -21,17 +22,23 @@ from . import pluginwhitelist
along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
# Be extremely mindful of this. These are endpoints available without a password
whitelist_endpoints = ['www', 'staticfiles.homedata', 'staticfiles.sharedContent',
'staticfiles.friends', 'staticfiles.friendsindex', 'siteapi.site', 'siteapi.siteFile', 'staticfiles.onionrhome',
'themes.getTheme', 'staticfiles.onboarding', 'staticfiles.onboardingIndex']
# Be extremely mindful of this.
# These are endpoints available without a password
whitelist_endpoints = [
'www', 'staticfiles.homedata',
'staticfiles.sharedContent',
'staticfiles.friends', 'staticfiles.friendsindex', 'siteapi.site',
'siteapi.siteFile', 'staticfiles.onionrhome',
'themes.getTheme', 'staticfiles.onboarding', 'staticfiles.onboardingIndex']
class ClientAPISecurity:
def __init__(self, client_api):
client_api_security_bp = Blueprint('clientapisecurity', __name__)
self.client_api_security_bp = client_api_security_bp
self.client_api = client_api
pluginwhitelist.load_plugin_security_whitelist_endpoints(whitelist_endpoints)
pluginwhitelist.load_plugin_security_whitelist_endpoints(
whitelist_endpoints)
@client_api_security_bp.before_app_request
def validate_request():
@ -48,14 +55,18 @@ class ClientAPISecurity:
if request.endpoint in whitelist_endpoints:
return
if request.path.startswith('/site/'): return
if request.path.startswith('/site/'):
return
try:
if not hmac.compare_digest(request.headers['token'], client_api.clientToken):
if not hmac.compare_digest(request.form['token'], client_api.clientToken):
if not hmac.compare_digest(
request.headers['token'], client_api.clientToken):
if not hmac.compare_digest(
request.form['token'], client_api.clientToken):
abort(403)
except KeyError:
if not hmac.compare_digest(request.form['token'], client_api.clientToken):
if not hmac.compare_digest(
request.form['token'], client_api.clientToken):
abort(403)
@client_api_security_bp.after_app_request
@ -63,7 +74,9 @@ class ClientAPISecurity:
# Security headers
resp = httpheaders.set_default_onionr_http_headers(resp)
if request.endpoint in ('siteapi.site', 'siteapi.siteFile'):
resp.headers['Content-Security-Policy'] = "default-src 'none'; style-src 'self' data: 'unsafe-inline'; img-src 'self' data:; media-src 'self' data:"
resp.headers['Content-Security-Policy'] = \
"default-src 'none'; style-src 'self' data: 'unsafe-inline'; img-src 'self' data:; media-src 'self' data:" # noqa
else:
resp.headers['Content-Security-Policy'] = "default-src 'none'; script-src 'self'; object-src 'none'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; media-src 'self'; frame-src 'none'; font-src 'self'; connect-src 'self'"
resp.headers['Content-Security-Policy'] = \
"default-src 'none'; script-src 'self'; object-src 'none'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; media-src 'self'; frame-src 'none'; font-src 'self'; connect-src 'self'" # noqa
return resp

3
src/httpapi/security/lan.py
View File

@ -59,7 +59,8 @@ class LANAPISecurity:
'Clear-Site-Data', 'Referrer-Policy')
try:
if g.is_onionr_client:
for header in NON_NETWORK_HEADERS: del resp.headers[header]
for header in NON_NETWORK_HEADERS:
del resp.headers[header]
except AttributeError:
abort(403)
lan_client.lastRequest = epoch.get_rounded_epoch(roundS=5)

2
src/httpapi/security/pluginwhitelist.py
View File

@ -30,4 +30,4 @@ def load_plugin_security_whitelist_endpoints(whitelist: list):
try:
whitelist.extend(getattr(plugin, "security_whitelist"))
except AttributeError:
pass
pass

10
src/httpapi/security/public.py
View File

@ -64,13 +64,15 @@ class PublicAPISecurity:
# Network API version
resp.headers['X-API'] = public_api.API_VERSION
# Delete some HTTP headers for Onionr user agents
NON_NETWORK_HEADERS = ('Content-Security-Policy', 'X-Frame-Options',
'X-Content-Type-Options', 'Feature-Policy',
'Clear-Site-Data', 'Referrer-Policy')
NON_NETWORK_HEADERS = (
'Content-Security-Policy', 'X-Frame-Options',
'X-Content-Type-Options', 'Feature-Policy',
'Clear-Site-Data', 'Referrer-Policy')
try:
if g.is_onionr_client:
for header in NON_NETWORK_HEADERS: del resp.headers[header]
for header in NON_NETWORK_HEADERS:
del resp.headers[header]
except AttributeError:
abort(403)

1
src/lan/__init__.py
View File

@ -31,7 +31,6 @@ class LANManager:
self.too_many = too_many
self.peers: "exploded IP Address string" = []
def start(self):
Thread(target=learn_services, daemon=True).start()
Thread(target=advertise_service, daemon=True).start()

6
src/lan/client/__init__.py
View File

@ -7,7 +7,6 @@ import requests
from typing import Set
from onionrtypes import LANIP
from utils.bettersleep import better_sleep
import logger
from coredb.blockmetadb import get_block_list
from onionrblocks.blockimporter import import_block_from_data
@ -38,8 +37,9 @@ def _lan_work(peer: LANIP):
blocks = requests.get(url + 'blist/0').text.splitlines()
for block in blocks:
if block not in our_blocks:
import_block_from_data(requests.get(url + f'get/{block}', stream=True).raw.read(6000000))
import_block_from_data(
requests.get(
url + f'get/{block}', stream=True).raw.read(6000000))
for port in ports:
try:

14
src/lan/discover.py
View File

@ -4,10 +4,7 @@ Discover and publish private-network
"""
import socket
import struct
from typing import TYPE_CHECKING
from typing import List
from ipaddress import ip_address
from socket import SHUT_RDWR
from .getip import lan_ips, best_ip
from utils.bettersleep import better_sleep
@ -32,7 +29,6 @@ IS_ALL_GROUPS = True
ANNOUNCE_LOOP_SLEEP = 30
def learn_services():
"""Take a list to infintely add lan service info to."""
@ -54,12 +50,13 @@ def learn_services():
continue
service_ips = service_ips.replace('onionr-', '').split('-')
port = 0
for service in service_ips:
try:
ip_address(service)
if not ip_address(service).is_private: raise ValueError
if service in lan_ips: raise ValueError
if not ip_address(service).is_private:
raise ValueError
if service in lan_ips:
raise ValueError
except ValueError:
pass
else:
@ -70,7 +67,8 @@ def advertise_service(specific_ips=None):
# regarding socket.IP_MULTICAST_TTL
# ---------------------------------
# for all packets sent, after three hops on the network the packet will not
# be re-sent/broadcast (see https://www.tldp.org/HOWTO/Multicast-HOWTO-6.html)
# be re-sent/broadcast
# (see https://www.tldp.org/HOWTO/Multicast-HOWTO-6.html)
MULTICAST_TTL = 3
ips = best_ip

22
src/lan/server/__init__.py
View File

@ -39,6 +39,7 @@ from utils.bettersleep import better_sleep
ports = range(1337, 1340)
_start_time = time.time()
class LANServer:
def __init__(self, shared_state):
app = Flask(__name__)
@ -51,12 +52,14 @@ class LANServer:
@app.before_request
def dns_rebinding_prevention():
if request.remote_addr in lan_ips or ipaddress.ip_address(request.remote_addr).is_loopback:
if request.remote_addr in lan_ips or \
ipaddress.ip_address(request.remote_addr).is_loopback:
if time.time() - _start_time > 600:
abort(403)
if request.host != f'{self.host}:{self.port}':
logger.warn('Potential DNS rebinding attack on LAN server:')
logger.warn(f'Hostname {request.host} was used instead of {self.host}:{self.port}')
logger.warn(
f'Hostname {request.host} was used instead of {self.host}:{self.port}') # noqa
abort(403)
@app.route('/blist/<time>')
@ -82,14 +85,18 @@ class LANServer:
def _show_lan_bind(port):
better_sleep(1)
if self.server.started and port == self.server.server_port:
logger.info(f'Serving to LAN on {self.host}:{self.port}', terminal=True)
logger.info(
f'Serving to LAN on {self.host}:{self.port}',
terminal=True)
if self.host == "":
logger.info("Not binding to LAN due to no private network configured.", terminal=True)
logger.info(
"Not binding to LAN due to no private network configured.",
terminal=True)
return
for i in ports:
self.server = WSGIServer((self.host, i),
self.app, log=None,
handler_class=FDSafeHandler)
self.app, log=None,
handler_class=FDSafeHandler)
self.port = self.server.server_port
try:
Thread(target=_show_lan_bind, args=[i], daemon=True).start()
@ -99,5 +106,6 @@ class LANServer:
else:
break
else:
logger.warn("Could not bind to any LAN ports " + str(min(ports)) + "-" + str(max(ports)), terminal=True)
logger.warn("Could not bind to any LAN ports " +
str(min(ports)) + "-" + str(max(ports)), terminal=True)
return